Commit 388fa43d authored Oct 13, 2019 by Wambui Karuga Committed by Greg Kroah-Hartman Oct 14, 2019

staging: vc04_services: use DIV_ROUND_UP helper macro



Replace open-coded division calculation with the DIV_ROUND_UP
helper macro for better readability.
Issue found using coccinelle:
@@
expression n,d;
@@
(
- ((n + d - 1) / d)
+ DIV_ROUND_UP(n,d)
|
- ((n + (d - 1)) / d)
+ DIV_ROUND_UP(n,d)
)

Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Link: https://lore.kernel.org/r/20191013184750.32766-1-wambui.karugax@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 51a50b26

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -60,8 +60,8 @@ vchiq_static_assert(IS_POW2(VCHIQ_MAX_SLOTS_PER_SIDE));

		#define VCHIQ_SLOT_MASK (VCHIQ_SLOT_SIZE - 1)
		#define VCHIQ_SLOT_QUEUE_MASK (VCHIQ_MAX_SLOTS_PER_SIDE - 1)
		#define VCHIQ_SLOT_ZERO_SLOTS ((sizeof(struct vchiq_slot_zero) + \
		VCHIQ_SLOT_SIZE - 1) / VCHIQ_SLOT_SIZE)
		#define VCHIQ_SLOT_ZERO_SLOTS DIV_ROUND_UP(sizeof(struct vchiq_slot_zero), \
		VCHIQ_SLOT_SIZE)

		#define VCHIQ_MSG_PADDING 0 /* - */
		#define VCHIQ_MSG_CONNECT 1 /* - */

Admin message